
Slide the gear pin (21) complete with the gear (19) and washer (20).
Warning
Pay attention to the washer (20) since it may fall inside the crankcase half.


At this point, it is possible to remove the starter motor as described in sect. 6 - 3, Starter motor.
Refitting the timing gears
Refitting the starter motor gearRemoval of the oil pump
Undo and remove the screws (9) and (10) securing the pump assembly.
Remove the oil pump assembly (1) and extract the o-rings (2) and (4) from the
crankcase half together with two locating
bushes (15).
...
Checking and adjusting the valve clearances
Note
For clarity, the figures show the engine removed from the frame.
Move the piston of the cylinder being checked to tdc of the power stroke: in
this condition, all the valves are closed and
the timing shafts come in neutral position and, therefore, free to rotate; check
to the valve cl ...
Checking the frame
Check the dimensions of the frame against the dimensions shown here to
determine whether it needs to be realigned or
renewed.
Important
Damaged frames must be changed, not repaired. Any work carried out on the
frame can give rise to potential danger,
infringing the requirements of ec directi ...